CN101590548A - Electric chain saw - Google Patents
Electric chain saw Download PDFInfo
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- CN101590548A CN101590548A CNA2009101151008A CN200910115100A CN101590548A CN 101590548 A CN101590548 A CN 101590548A CN A2009101151008 A CNA2009101151008 A CN A2009101151008A CN 200910115100 A CN200910115100 A CN 200910115100A CN 101590548 A CN101590548 A CN 101590548A
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- brake
- connector
- casing
- chain saw
- electric chain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/08—Drives or gearings; Devices for swivelling or tilting the chain saw
- B27B17/083—Devices for arresting movement of the saw chain
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Abstract
The invention discloses a kind of electric chain saw, comprise casing and be installed in casing interior motor and brake gear thereof; Described brake gear comprises: brake rim is set on the motor shaft, and together rotates with motor shaft; Brake ribbon is set on the outer rim of described brake rim, and the one end connects first brake units, and the other end connects second brake units.Brake gear among the present invention adopts two brake units, can tackle two kinds of situations of normal braking and snub respectively, after one of them brake units lost efficacy, can implement brake by another brake units, fully satisfied the requirement of electric chain saw safety in utilization aspect; And have braking rapidly, and easy and simple to handle, the characteristics that are active in one's movements; And compare the electric chain saw of present employing clutch, lever and this class braking mechanism of gear, overall structure of the present invention is simple, parts are few, is more conducive to electric chain saw miniaturization design.
Description
Technical field
The present invention relates to a kind of electric chain saw.
Background technology
Because electric chain saw in use, the chain saw blade on it can bring danger to the operator, so in the electric chain saw brake gear is installed all generally because of colliding the recoil that forms towards the operator unexpectedly.Yet the brake gear of installing in the electric chain saw of Xiao Shouing all has only a brake units usually in the market, damages in case this brake units loses efficacy, and the user just can't implement brake again, and the safety in utilization of electric chain saw still can not get improving.And existing electric chain saw brake gear often adopts the mechanisms such as clutch, lever and gear that link to each other with motor shaft that motor is braked, and not only brake is carried out slowly, and complex structure, and parts are many, are unfavorable for the requirement of electric chain saw miniaturization.
On the other hand, existing electric chain saw is in the process of normal turn-off, because its chain saw blade is not just can stop at once under effect of inertia, can bring dangerous possibility to the operator so still exist.In order to reduce this dangerous possibility that takes place, guarantee operator's safety, must design the brake gear that in the process of its normal turn-off, also can realize brake in the electric chain saw; What yet the brake gear of installing in the present electric chain saw was realized all is the snub function, be that they all are at first motor shaft to be braked afterwards by the power supply circuits that cut off motor by force again, braking but seems powerless for the motor shaft under the electric chain saw normal turn-off situation.
Summary of the invention
The present invention seeks to: a kind of electric chain saw is provided, and the brake gear of installing on this electric chain saw is not only simple in structure, braking is rapid, and possesses two brake units, can improve the safety in utilization of electric chain saw greatly.
Technical scheme of the present invention is: a kind of electric chain saw comprises casing and is installed in casing interior motor and brake gear thereof; Described brake gear comprises:
Brake rim is set on the motor shaft, and together rotates with motor shaft;
Brake ribbon is set on the outer rim of described brake rim, and the one end connects first brake units, and the other end connects second brake units.
Main power switch with the motor series connection is installed in the casing described in the present invention, and first brake units comprises first connector, first elastic component, button and actuator; Described first connector is fixed on the brake ribbon; By one pivotally connected on casing, wherein an end of button is relative with the contact on the main power switch respectively for described button and actuator, forms main tooth portion on the other end; And an end of actuator forms the secondary tooth portion with the engagement of main tooth portion, and the other end is relative with an end of first connector; Described first elastic component then be located between the other end of first connector and the casing and provide order about first connector to a side activity to tighten up the elastic force of brake ribbon.
In described casing, further be provided with guiding first connector among the present invention and do first passageway of line activities.
First elastic component described in the present invention further is a spring, and an end of described brake ribbon passes this spring and is fixed on first connector by first steady pin; The both sides in described first passageway have end wall simultaneously, and an end of described spring is against on first connector, and the other end then is against on the side wall in first passageway.
One end of first connector described in the present invention further be provided with an ammunition feed spring support into shrinkage pool, and other end moulding one protuberance; This protuberance can be outstanding in the guide hole of being located on the first passageway opposite side end wall, and relative with extension stem on being formed in aforementioned actuator.
Protection power switch with the motor series connection is installed in the casing described in the present invention, and second brake units comprises second connector, second elastic component, connecting rod, baffle and triggering knob; Described second connector is fixed on the brake ribbon; Described baffle is by pivotally connected on casing, and the one end is exposed at outside the casing, and the other end articulates with an end of connecting rod, and the other end of connecting rod is articulated in an end of second connector; Described second elastic component then be against between the other end of second connector and the casing and provide order about second connector to a side activity to tighten up the elastic force of brake ribbon; Trigger knob by pivotally connected on casing, the one end is relative with the contact on the protection power switch, and the protuberance that the other end then is formed on the baffle is controlled.
Further be provided with guiding second connector described in the present invention in the casing and do second passageway of line activities.
Second elastic component described in the present invention further also is a spring, and an end of described brake ribbon passes this spring and is fixed on second connector by second steady pin; The both sides in described second passageway have end wall simultaneously, and an end of described spring is against on second connector, and the other end then is against on the side wall in second passageway.
One end of second connector described in the present invention further be provided with an ammunition feed spring support into shrinkage pool, and other end moulding articulates handle; This pivot joint handle is given prominence to and is articulated with connecting rod in a guide hole of being located on the second passageway opposite side end wall.
First brake units described in the present invention cooperates interlock with main power switch, realization be the normal braking function of electric chain saw, its concrete action principle is as follows:
When the user uses electric chain saw at normal boot-strap, compress contact on the main power switch by pressing button, thereby connect main power switch; Simultaneously actuator rotates under the drive of button, and then the elastic force that overcomes first elastic component supports first connector to a thruster, forces brake ribbon to unclamp with brake rim and separates, thereby make motor shaft can drive chain saw blade normal rotation.And in the process of using electric chain saw, the user need continue to pin the connection that button could keep main power switch, provides lasting power to resist the elastic reset of first elastic component simultaneously.
When the user needs normal braking, only need release-push, main power switch disconnects immediately like this, cuts off the power supply circuits of motor, and actuator rotates under the drive of button simultaneously, spreads the pushing force that is applied to the first end of first connection; Owing to there has not been opposing, first elastic component is elastic reset immediately, promotes first connector and tightens up brake ribbon to a side activity, makes brake ribbon hold brake rim tightly, stops motor shaft to continue to drive the chain saw blade and rotates, and realizes the purpose of brake.
Simultaneously, second brake units described in the present invention cooperates interlock with protection switch, realization be the snub function of electric chain saw; Its concrete action principle is as follows:
The user is when normally using electric chain saw, baffle must be pulled to initial position, and in being pulled to the process of initial position, baffle triggers knob by the pushing and pressing of the protuberance on it, compress the contact of protecting on the power switch by triggering knob again, the protection power switch is connected; Meanwhile baffle pushes against the elastic force activity that second connector overcomes second elastic component by connecting rod, forces brake ribbon to unclamp with brake rim and separates, thereby make motor shaft can drive chain saw blade normal rotation.And baffle must remain on the initial position, could keep protecting the connection of power switch, provides lasting power to resist the elastic reset of second elastic component simultaneously.
When the user needs snub, only need sideway swivel baffle outside casing, the protuberance on the baffle is left for the pushing and pressing that trigger knob, trigger knob like this and just can't compress the contact of protecting on the power switch again, thereby make the protection power switch disconnect, cut off the power supply circuits of motor; Baffle spurs second connector by connecting rod and tightens up brake ribbon to a side activity in rotary course simultaneously, makes brake ribbon hold brake rim tightly, stops motor shaft to continue to drive the chain saw blade and rotates the final purpose that realizes brake.
But another object of the present invention provides a kind of electric chain saw of normal braking, brake gear in this electric chain saw cooperates first brake units of interlock to come motor shaft is braked by one with main power switch, be implemented under the electric chain saw normal turn-off situation also the purpose that can brake to electric chain saw with this, thereby fill up the blind area that existing electric chain saw can't normal braking, further guarantee operator's safety.The concrete technical scheme of this electric chain saw is as follows:
But a kind of electric chain saw of normal braking comprises casing and is located at the interior brake gear of casing; Described casing comprises that casing ontology reaches and the integrated back handle of casing ontology; Be provided with motor in the casing ontology, and be provided with the main power switch with the motor series connection in the back handle, described brake gear comprises:
Brake rim is set on the motor shaft, and together rotates with motor shaft;
Brake ribbon is set in the outer rim of described brake rim, and the one end connects first brake units, and this first brake units comprises:
One button, pivoting is connected on the back handle, and the one end is corresponding with main power switch, and the other end forms main tooth portion;
One actuator, its pivot is connected on the casing ontology, and the one end has the secondary tooth portion that cooperates with main tooth portion, and the other end has an extension stem;
One first connector, it is installed in movably in the casing ontology and upward and with an end of brake ribbon is connected, and is resisted against on the extension stem of actuator.
But the electric chain saw of above-mentioned normal braking also further comprises first elastic component, an end of described first connector be provided with one for first elastic component support into first shrinkage pool, and the other end forms a protuberance.
Advantage of the present invention is:
1. the brake gear of installing in the electric chain saw of the present invention is owing to possess two brake units, can tackle two kinds of situations of normal braking and snub respectively, and after one of them brake units lost efficacy, can implement brake by another brake units, improve the safety in utilization of electric chain saw greatly.
2. electric chain saw of the present invention, two brake units in its brake gear are all braked motor by same brake ribbon and brake rim, and they implement interlock with the main power switch and the protection switch of electric chain saw respectively simultaneously, really accomplished the purpose that to brake immediately after the outage, has braking rapidly, characteristics easy and simple to handle, as to be active in one's movements; And compare the electric chain saw of present employing clutch, lever and this class braking mechanism of gear, overall structure of the present invention is simple, parts are few, is more conducive to electric chain saw miniaturization design.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the structural representation of a kind of specific embodiment of electric chain saw of the present invention;
Fig. 2 is the independent perspective view of button among Fig. 1;
Fig. 3 is the independent perspective view of actuator among Fig. 1;
Fig. 4 is the independent perspective view of first connector among Fig. 1;
Fig. 5 is the side view of first connector;
Fig. 6 is the A-A profile of Fig. 5;
Fig. 7 is the independent perspective view of baffle among Fig. 1;
Fig. 8 is the front view of baffle;
Fig. 9 is the right view of Fig. 8;
Figure 10 is the independent perspective view of second connector among Fig. 1;
Figure 11 is the front view of second connector;
Figure 12 is the left view of Figure 11;
Figure 13 is the B-B profile of Figure 12;
Figure 14 is first connector, first elastic component, second connector, second elastic component assembling schematic diagram on brake ribbon;
Figure 15 is Figure 14 assembling perspective view after finishing;
Figure 16 is the structural representation of electric chain saw shown in Figure 1 when the normal braking state;
Figure 17 is the structural representation of electric chain saw shown in Figure 1 when the snub state.
Wherein: 1, casing; 101, casing ontology; 102, front hand grip; 103, back handle; 2, main power switch; 3, protection power switch; 4, brake rim; 5, brake ribbon; 6, first connector; 601, first shrinkage pool; 602, protuberance; 7, first elastic component; 8, button; 801, main tooth portion; 9, actuator; 901, secondary tooth portion; 902, extension stem; 10, first passageway; 11, second connector; 111, second shrinkage pool; 112, articulate handle; 12, second elastic component; 13, connecting rod; 14, baffle; 141, protuberance; 15, trigger knob; 16, second passageway; 17, first steady pin; 18, second steady pin; 19, pivot; 20, pivot; 21, pivot; 22, pivot.
The specific embodiment
Embodiment:, and in conjunction with the accompanying drawings technical scheme of the present invention is described further below by embodiment.
Be a kind of specific embodiment of electric chain saw of the present invention as shown in Figure 1, this electric chain saw comprises casing 1, is located at the motor in the casing 1, by the shaft-driven chain saw blade of motor (not drawing among the figure) and be installed in brake gear in the casing 1, casing 1 constitutes by casing ontology 101 with the forward and backward handle 102,103 that casing ontology 101 fuses; Be provided with main power switch 2 in the back handle 103, motor and protection power switch 3 then are set in the casing ontology 101, and described motor, main power switch 2 and protection power switch 3 threes series connection.Described brake gear is made of jointly brake rim 4, brake ribbon 5, first brake units and second brake units; Described brake rim 4 is set on the motor shaft, and together rotates with motor shaft; Described brake ribbon 5 is set on the outer rim of brake rim 4; the one end connects first brake units; and this first brake units cooperates installation with main power switch 2, and the other end of brake ribbon 5 connects second brake units, and this second brake units cooperates installation with protection power switch 3.
First brake units described in the present embodiment comprises first connector 6, first elastic component 7, button 8 and actuator 9.In conjunction with Fig. 1, Fig. 2 and shown in Figure 3, described button 8 is connected on the back handle 103 by pivot 19 earlier, and actuator 9 is connected on the casing ontology 101 by pivot 20; One end of wherein said button 8 is relative with the contact on the main power switch 2, forms main tooth portion 801 on the other end; And an end of actuator 9 forms the secondary tooth portion 901 with 801 engagements of main tooth portion, and the other end then forms an extension stem 902.
In conjunction with Fig. 1, Fig. 4, Fig. 5, Fig. 6, Figure 14 and shown in Figure 15, an end of first connector 6 is provided with first shrinkage pool 601 described in the present embodiment again, other end moulding one protuberance 602.Described first elastic component 7 is a spring, and an end of brake ribbon 5 passes this spring and is fixed on first connector 6 by first steady pin 17.And be provided with first passageway 10 that guiding first connector 6 is done line activities in the present embodiment in the casing ontology 101, the both sides in this first passageway 10 have end wall, one end of described spring supports in first shrinkage pool 601 on first connector 6, the other end then is against on the side wall in first passageway 10, thus provide order about first connector 6 to a side activity to tighten up the elastic force of brake ribbon 5.Can in a guide hole of being located on the 10 opposite side end walls of first passageway, give prominence to as for 602 of the protuberances on first connector 6, thus relative with the aforementioned extension stem 902 that takes shape on the actuator 9.
Second brake units described in the present embodiment comprises second connector 11, second elastic component 12, connecting rod 13, baffle 14 and triggers knob 15; In conjunction with Fig. 1, Fig. 7, Fig. 8 and shown in Figure 9, baffle described in the present embodiment 14 is connected on the casing ontology 101 by pivot 22 earlier, and the one end is exposed at outside the casing ontology 101, and is positioned at the front portion of front hand grip 102, and the other end then articulates with an end of connecting rod 13.Described triggering knob 15 is connected on the casing ontology 101 by pivot 21 simultaneously, and the one end is relative with the contact on the protection power switch 3, and the other end then is formed in protuberance 141 controls on the baffle 14.
In conjunction with Fig. 1, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 and shown in Figure 15, an end of second connector 11 is provided with second shrinkage pool 111 described in the present embodiment again, and the other end forms one and articulates handle 112.Second elastic component 12 described in the present embodiment also is a spring, and the other end of brake ribbon 5 passes this spring and is fixed on second connector 11 by second steady pin 18.
And be provided with second passageway 16 that guiding second connector 11 is done line activities in the casing ontology described in the present embodiment 101, the both sides in this second passageway 16 have end wall, one end of described spring is against in second shrinkage pool 111 on second connector 11, the other end then is against on the side wall in second passageway 16, thus provide order about second connector 11 to a side activity to tighten up the elastic force of brake ribbon 5.Outstanding and articulate in the guide hole of being located on the 16 opposite side end walls of second passageway as for 112 of pivot joint handles on second connector 11 with the other end of aforementioned connecting rod 13.
First brake units described in the present embodiment cooperates interlock with main power switch 2, realization be the normal braking function of electric chain saw, in conjunction with Fig. 1 and shown in Figure 16, its concrete principle is described as follows:
When the user uses electric chain saw at normal boot-strap, compress contact on the main power switch 2 by pressing button 8, thereby connect main power switch 2; Button 8 drives actuator 9 around pivot 19 rotation back by cooperating of 901 in secondary tooth portion on the main tooth portion 801 on it and the actuator 9 and rotates; After actuator 9 rotations, the elastic force that the extension stem 902 on it overcomes first elastic component 7 supports first connector 6 to a thruster, forces brake ribbon 5 to unclamp with brake rim 4 and separates, thereby make motor shaft can drive chain saw blade normal rotation.And in the process of using electric chain saw, the user need continue to pin the elastic reset that button 8 just can provide lasting power to come resistance first elastic component 7, keeps the connection of main power switch 2, as shown in Figure 1 state.
When the user needs normal braking, only need release-push 8, main power switch 2 disconnects immediately like this, cuts off the power supply circuits of motor, and actuator 9 rotates under the drive of button 8 simultaneously, removes the pushing force that is applied to first connector, 6 one ends; Owing to there has not been opposing, first elastic component 7 is elastic reset immediately, promotes first connector 6 and tightens up brake ribbon 5 to a side activity, makes brake ribbon 5 hold brake rim 4 tightly, stops motor shaft to continue to drive the chain saw blade and rotates, and realizes the purpose of brake, as shown in figure 16 state.
Simultaneously, second brake units described in the present embodiment cooperates interlock with protection power switch 3, realization be the snub function of electric chain saw; In conjunction with Fig. 1 and Figure 17, its concrete principle is described as follows:
The user is when normally using electric chain saw, baffle 14 must be pulled to initial position, and in being pulled to the process of initial position, baffle 14 triggers knob 15 by 141 pushing and pressing of the protuberance on it, compress the contact of protecting on the power switch 3 by triggering knob 15 again, protection power switch 3 is connected; Meanwhile baffle 14 pushes against the elastic force activity that second connector 11 overcomes second elastic component 12 by connecting rod 13, forces brake ribbon 5 to unclamp with brake rim 4 and separates, thereby make motor shaft can drive chain saw blade normal rotation.And baffle 14 must remain on the initial position, could keep protecting the connection of power switch 3, the elastic reset that provides lasting power to resist second elastic component 12 simultaneously, state as shown in Figure 1.
When the user needs snub, only need sideway swivel baffle 14 outside casing ontology 101, protuberance 141 on the baffle 14 is left for the pushing and pressing that trigger knob 15, trigger knob 15 like this and just can't compress the contact of protecting on the power switch 3 again, thereby make protection power switch 3 disconnect, cut off the power supply circuits of motor; Baffle 14 tightens up brake ribbon 5 by connecting rod 13 pullings second connector 11 to a side activity in rotary course simultaneously, makes brake ribbon 5 hold brake rim 4 tightly, stops motor shaft to continue to drive the chain saw blade and rotates the final purpose that realizes brake, state as shown in figure 17.
Brake gear in the described this electric chain saw of present embodiment is owing to adopted two brake units, can tackle two kinds of situations of normal braking and snub respectively, and after one of them brake units lost efficacy, can implement brake by another brake units, fully satisfy the requirement of electric chain saw safety in utilization aspect, guaranteed operator's safety greatly.
Two brake units in the present embodiment are all braked by brake ribbon 5 and 4 pairs of motors of brake rim, and they implement interlock with the main power switch 2 and the protection power switch 3 of electric chain saw respectively simultaneously, really accomplished the purpose that to brake immediately after the outage, has braking rapidly, characteristics easy and simple to handle, as to be active in one's movements; And compare the electric chain saw of braking mechanisms such as present employing clutch, lever and gear, overall structure of the present invention is simple, parts are few, is more conducive to electric chain saw miniaturization design.
Claims (11)
1. an electric chain saw comprises casing (1) and is installed in casing (1) interior motor and brake gear thereof; It is characterized in that described brake gear comprises:
Brake rim (4) is set on the motor shaft, and together rotates with motor shaft;
Brake ribbon (5) is set on the outer rim of described brake rim (4), and the one end connects first brake units, and the other end connects second brake units.
2. electric chain saw according to claim 1 is characterized in that:
Main power switch (2) with the motor series connection is installed in the described casing (1), and first brake units comprises first connector (6), first elastic component (7), button (8) and actuator (9); Described first connector (6) is fixed on the brake ribbon (5); Described button (8) and actuator (9) are connected on the casing (1) by pivot (19) and pivot (20) respectively, and wherein the contact on the same main power switch of an end (2) of button (8) is relative, forms main tooth portion (801) on the other end; And an end of actuator (9) forms the secondary tooth portion (901) with main tooth portion (801) engagement, and the other end is relative with an end of first connector (6); Described first elastic component (7) then be located between the other end of first connector (6) and the casing (1) and provide order about first connector (6) to a side activity to tighten up the elastic force of brake ribbon (5).
3. electric chain saw according to claim 2 is characterized in that being provided with in the described casing (1) first passageway (10) that guiding first connector (6) is done line activities.
4. electric chain saw according to claim 3 is characterized in that described first elastic component (7) is a spring, and an end of described brake ribbon (5) passes this spring and is fixed on first connector (6) by first steady pin (17); The both sides of described first passageway (10) have end wall simultaneously, and an end of described spring is against on first connector (6), and the other end then is against on the side wall in first passageway (10).
5. electric chain saw according to claim 4, an end that it is characterized in that described first connector (6) be provided with an ammunition feed spring support into first shrinkage pool (601), and other end moulding one protuberance (602); This protuberance (602) can be located in the guide hole on the opposite side end wall of first passageway (10) outstanding from one, and relative with extension stem (902) on being formed in aforementioned actuator (9).
6. according to claim 1 or 2 or 3 or 4 or 5 described electric chain saws, it is characterized in that:
Protection power switch (3) with the motor series connection is installed in the described casing (1), and second brake units comprises second connector (11), second elastic component (12), connecting rod (13), baffle (14) and triggers knob (15); Described second connector (11) is fixed on the brake ribbon (5); Described baffle (14) is connected on the casing (1) by pivot (21), and the one end is exposed at outside the casing (1), and an end of the same connecting rod of the other end (13) articulates, and the other end of connecting rod (13) is articulated in an end of second connector (11); Described second elastic component (12) then be against between the other end of second connector (11) and the casing (1) and provide order about second connector (11) to a side activity to tighten up the elastic force of brake ribbon (5); Described triggering knob (15) is by pivotally connected on casing (1), and the one end is relative with the contact on the protection power switch (3), and the other end then is formed in protuberance (141) control on the baffle (14).
7. electric chain saw according to claim 5 is characterized in that being provided with in the described casing (1) second passageway (16) that guiding second connector (11) is done line activities.
8. electric chain saw according to claim 6 is characterized in that described second elastic component (12) is a spring, and an end of described brake ribbon (5) passes this spring and is fixed on second connector (11) by second steady pin (18); The both sides of described second passageway (16) have end wall simultaneously, and an end of described spring is against on second connector (11), and the other end then is against on the side wall in second passageway (16).
9. electric chain saw according to claim 7, an end that it is characterized in that described second connector (11) be provided with an ammunition feed spring support into second shrinkage pool (111), and other end moulding articulates handle (112); This pivot joint handle (112) is given prominence to and is articulated with connecting rod (13) in a guide hole of being located on the opposite side end wall of second passageway (16).
10. but the electric chain saw of a normal braking comprises casing (1) and is located at the interior brake gear of casing (1); Described casing (1) comprises that casing ontology (101) reaches and the integrated back handle of casing ontology (101) (103); Casing ontology is provided with motor in (101), and is provided with the main power switch (2) with the motor series connection in the back handle (103), it is characterized in that described brake gear comprises:
Brake rim (4) is set on the motor shaft, and together rotates with motor shaft;
Brake ribbon (5) is set in the outer rim of described brake rim (4), and the one end connects first brake units, and this first brake units comprises:
One button (8), pivoting is connected on the back handle (103), and the one end is corresponding with main power switch (2), and the other end forms main tooth portion (801);
One actuator (9), its pivot are connected on the casing ontology (101), and the one end has the secondary tooth portion (901) that cooperates with main tooth portion (801), and the other end has an extension stem (902);
One first connector (6), it is installed in movably in the casing ontology (101) and upward and with an end of brake ribbon (5) is connected, and is resisted against on the extension stem (902) of actuator (9).
11. but the electric chain saw of normal braking according to claim 9, it is characterized in that it further comprises first elastic component (7), one end of described first connector (6) be provided with one for first elastic component (7) support into first shrinkage pool (601), and the other end forms a protuberance (602).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101151008A CN101590548B (en) | 2009-03-17 | 2009-03-17 | Electric chain saw |
| EP10155120.8A EP2230056B1 (en) | 2009-03-17 | 2010-03-02 | Electric chain saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101151008A CN101590548B (en) | 2009-03-17 | 2009-03-17 | Electric chain saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101590548A true CN101590548A (en) | 2009-12-02 |
| CN101590548B CN101590548B (en) | 2012-07-18 |
Family
ID=41405538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101151008A Active CN101590548B (en) | 2009-03-17 | 2009-03-17 | Electric chain saw |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2230056B1 (en) |
| CN (1) | CN101590548B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554971A (en) * | 2010-12-17 | 2012-07-11 | 罗伯特·博世有限公司 | Chainsaw |
| CN103770157A (en) * | 2014-01-10 | 2014-05-07 | 浙江亚特电器有限公司 | Brake structure of electric chain saw |
| CN103770158A (en) * | 2014-01-10 | 2014-05-07 | 浙江亚特电器有限公司 | Brake structure of electric chain saw |
| CN104604548A (en) * | 2013-11-05 | 2015-05-13 | 南京德朔实业有限公司 | Electric gardening tool |
| CN107999870A (en) * | 2016-10-28 | 2018-05-08 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN111245312A (en) * | 2018-11-28 | 2020-06-05 | 南京德朔实业有限公司 | Electric tool and control method of electric tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012218072A1 (en) * | 2012-10-03 | 2014-06-12 | Hilti Aktiengesellschaft | Hand-held tool device with a braking device for braking a machining tool |
| WO2015057117A1 (en) * | 2013-10-17 | 2015-04-23 | Husqvarna Ab | Chainsaw with removable clutch cover |
| WO2022051468A1 (en) | 2020-09-04 | 2022-03-10 | Milwaukee Electric Tool Corporation | Chainsaw |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3263284B2 (en) * | 1995-09-04 | 2002-03-04 | 株式会社マキタ | Electric chainsaw |
| US20050210685A1 (en) * | 2004-03-24 | 2005-09-29 | Jung-Chang Jong | Brake mechanism for tool |
| US8176643B2 (en) * | 2006-10-19 | 2012-05-15 | Husqvarna Zenoah Co Ltd. | Brake system of chain saw and chain saw |
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2009
- 2009-03-17 CN CN2009101151008A patent/CN101590548B/en active Active
-
2010
- 2010-03-02 EP EP10155120.8A patent/EP2230056B1/en not_active Not-in-force
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554971A (en) * | 2010-12-17 | 2012-07-11 | 罗伯特·博世有限公司 | Chainsaw |
| CN102554971B (en) * | 2010-12-17 | 2016-01-13 | 罗伯特·博世有限公司 | Chain saw |
| CN104604548A (en) * | 2013-11-05 | 2015-05-13 | 南京德朔实业有限公司 | Electric gardening tool |
| CN103770157A (en) * | 2014-01-10 | 2014-05-07 | 浙江亚特电器有限公司 | Brake structure of electric chain saw |
| CN103770158A (en) * | 2014-01-10 | 2014-05-07 | 浙江亚特电器有限公司 | Brake structure of electric chain saw |
| CN103770157B (en) * | 2014-01-10 | 2016-04-13 | 浙江亚特电器有限公司 | The brake structure of electric chain saw |
| CN103770158B (en) * | 2014-01-10 | 2016-05-11 | 浙江亚特电器有限公司 | A kind of brake structure of electric chain saw |
| CN107999870A (en) * | 2016-10-28 | 2018-05-08 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN107999870B (en) * | 2016-10-28 | 2019-10-18 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN111245312A (en) * | 2018-11-28 | 2020-06-05 | 南京德朔实业有限公司 | Electric tool and control method of electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2230056B1 (en) | 2016-02-17 |
| EP2230056A1 (en) | 2010-09-22 |
| CN101590548B (en) | 2012-07-18 |
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Owner name: SUZHOU KINGCLEAN PRECISION MACHINERY CO.LTD. Free format text: FORMER OWNER: KINGCLEAN FLOORCARE CO. LTD. Effective date: 20101213 |
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Effective date of registration: 20101213 Address after: 215009 Xiangyang Road, New District, Jiangsu, Suzhou, No. 1 Applicant after: Suzhou Kingclean Precision Machinery Co., Ltd. Address before: 215009 Xiangyang Road, New District, Jiangsu, Suzhou, No. 1 Applicant before: Kingclean Floorcare Co., Ltd. |
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